Test: Sorting Materials Into Groups - 1

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QUESTION: 1

The state of matter which has a definite volume but no definite shape

A.

Solid

B.

Liquid

C.

Gas

D.

Mixture

Solution:

A solid has definite volume and shape, a liquid has a definite volume but no definite shape, and a gas has neither a definite volume or shape.

QUESTION: 2

Perfume is a substance which is

A.

Malleable

B.

Volatile

C.

Sublime

D.

Non-volatile

Solution:

Volatility is a material quality which describes how readily a substance vaporizes.

QUESTION: 3

If a substance can be beaten into thin sheet, it is called

A.

Brittle

B.

Malleable

C.

Good conductor

D.

Ductile

Solution:

The property of metals by which they can be beaten into thin sheets is called malleability. Most metals are malleable. Gold and silver are the best malleable metals and can be hammered into very fine sheets or foils.

QUESTION: 4

In which solution, iron nail lose its shine and appear dull?

A.

Coconut oil

B.

Kerosene

C.

Mustard

D.

Soft drink

Solution:

Iron nail lose its shine and appear dull due to rusting. Oxygen and water is necessary for rusting. Soft drink contain both of them.

QUESTION: 5

Select the translucent materials from the following?

A.

Glass tumbler

B.

Aluminium foil

C.

Muslin cloth

D.

Mirror

Solution:

Translucent objects allow some light to travel through them. Materials like frosted glass and some plastics are called translucent. When light strikes translucent materials, only some of the light passes through them. Muslin cloth is translucent material.

QUESTION: 6

Which among the following pair is commonly used for making safety pin?

A.

Wood and glass

B.

Steel and plastic

C.

Leather and plastic

D.

Plastic and glass

Solution:

Safety pin is made up of either plastic or steel.

QUESTION: 7

Which type of material is used to make wind screen of a car?

A.

Transparent

B.

Translucent

C.

Opaque

D.

Semi-transparent

Solution:

Transparent material is used to make wind screen of a car as it is must to see through them.

QUESTION: 8

Which among the following materials are not lustrous

A.

Silver

B.

Gold

C.

Diamond

D.

Wood

Solution:

Those substances that have shining surface are called as lustrous substance. Diamond, gold and silver are lustrous

QUESTION: 9

Select odd from the following

A.

Spade

B.

Eraser

C.

Tawa

D.

Pressure cooker

Solution:

Tawa, spade and pressure cooker are made up of metals while eraser is made up of rubber.

QUESTION: 10

Choose the opaque materials from the following

A.

Thin sheet of plastic

B.

Glass container

C.

Wooden door

D.

Clear water

Solution:

The wooden door is an opaque object which does not allow any light to pass through it.